We've all witnessed the evolution of workout clothes - from their wearability (even outside the Pilates studio) to their ...

Best Amazon: Wirarpa Cotton Full Coverage Briefs - See at Amazon The double layer of soft cotton and thick seamless banding on these briefs doesn't roll down my stomach — even on busy work days.

“I see all the girls ... soft and smooth bottoms are definitely worth the buy — especially if you’re not into the whole ribbed leggings trend. “Ribbed leggings don’t feel like cotton.